Patents by Inventor Hideki Kamamoto

Hideki Kamamoto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6866435
    Abstract: A writing implement ensuring a non-slip grip on a barrel when it is grasped and a good fit between the grip and fingers, thus providing a comfortable grasping touch. In the writing implement having a grip made of elastic resin material fitted on an outer circumferential surface in a grasped area of a barrel, the grip is formed into a cylinder whose inner circumferential surface is fitted on the outer circumferential surface in the grasped area of the barrel, with hollows axially passing through a peripheral wall of the cylinder and with the plurality of hollows circumferentially arranged in parallel, and the grip is fitted on the barrel so as to form a vent passage for communication between the hollows and the outside at an end of the grip.
    Type: Grant
    Filed: October 31, 2002
    Date of Patent: March 15, 2005
    Assignees: Nagayanagi Co., Ltd., Zebra Co., Ltd.
    Inventors: Hideki Kamamoto, Michio Furusawa
  • Publication number: 20040086316
    Abstract: A writing implement ensuring a non-slip grip on a barrel when it is grasped and a good fit between the grip and fingers, thus providing a comfortable grasping touch. In the writing implement having a grip made of elastic resin material fitted on an outer circumferential surface in a grasped area of a barrel, the grip is formed into a cylinder whose inner circumferential surface is fitted on the outer circumferential surface in the grasped area of the barrel, with hollows axially passing through a peripheral wall of the cylinder and with the plurality of hollows circumferentially arranged in parallel, and the grip is fitted on the barrel so as to form a vent passage for communication between the hollows and the outside at an end of the grip.
    Type: Application
    Filed: October 31, 2002
    Publication date: May 6, 2004
    Inventors: Hideki Kamamoto, Michio Furusawa